Machine for pressing books



Mgy 27,v 1930. H. c. ALGER v MACHINE FOR PREssING BooKs Filled Sept. 12, 1928 3 Sheets-Sheet 1 May 27, 1930. H. c. ALGER 1,760,030

. MACHINE FOR PRESSING BOOKS Filed sept. 12, 1928 s sheets-sheet 2 fwemzmd: /faTZey 69957627 May 27, v 1930.

H. c:r ALGER MAOHINE FOR PREssING BOOKS 3 Sheets-Shes?l 5 Find sagt. 12, 1928 Giger,

Elli-l Illll'lll Patented Maly 27, 1930 UNITED STATES PATENT yori-"ice HARLEY C. ALGER, kOF CHICAGO, ILLINOIS, ASSIGNOR '10 R. R. DONNELLEY di', SONS COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS MACHINE FOR PRESSING BOOKS Application filed September 12, 1928. ySerial No. 305,452.

This invention relates to a machine for pressing books and the like, and is particularly intended to receive-books from a binding machine such as that shown and described in th-e patent to Bredenberg No. 1,073,324.

Books of this type have the backs of the signatures cut away to expose the edge of each sheet of paper. These raw edges are then covered with glue, and the whole is then bound together by a strip of super and is secured by the same glue to a flexible back which is pressed thereon.

Vhenthese books emerge from the binder, the glue which is applied hot has not had time to become set, and the present machine for pressing these books is intended to thoroughly press and hold themfor a short interval after leaving the binding machine so as to hold them accurately in proper shape during the time when the glue is setting.

These and other objects, as will hereinafter appear, are accomplished by this invention which is fully described in the following specification and shown in the accompanying drawings, in whichy A Figure 1 is a partial side elevation-,of a machine embodyingv the present invention;

' Fig. 2 is a top plan view of the same showing the relation of this machine to the packer;

Fig. 3 is a partially enlarged section on the line 3 3 of Fig. 2; and

Fig. 4 is a partially enlarged detail of the chain links and plates carried thereby.

The embodiment illustrated comprises a book pressing machine A shown in Fig. 1 as receiving a book B fromV a book binder/G. Figs. 2 and 3 show a machine A for pressing books and delivering them to a wellknown form of packer D by means of a plunger or pusher E.v y,

The book pressing machine A consists essentially of two chains10 which mesh with sprockets 11 and 12, these sprockets being carried on shafts 13 and 14 whichare driven from any suitable source of power. Alternate 'links carried a spring plate 16 which is secured i thereto by means of rivets 17 near the upper edge, the spring plates 16 extending inwardi The books B, before reaching the part shown in Fig. 1, have been assembled` and formed in manner already known to the `art as perfect7 binding. This consists in assembling the signatures and placing them between the plates 18 and r19, the latter being urged toward the former by means of springs 20 acting upon pins 21 one of which is placed at each end of one of the plates 19.

- l/Vhile so grouped, the backs ofthe signatures having the folded edges are cut away, and this lower edge is then glued, a super applied, and aV fleXibl-e cover 22, usually of paper, is pressedl upon the glued back, at which time the book B is ready to leave the binder C. Tol release it, the ends of the pins 21 are provided with rollers 23 which ride upon stationaryV cam surfaces 24, thereby forcing thepins -21 outwardly against the tensionr of the springs 20 and releasing the grip of the plate 19 uponthe book B, thereby permitting itto drop to the dotted line position B. 5 l

The pressing machine A is so placed and so timed with respect to alv chain 25 of the binder C that one of the plates 15a is in a diverging position owing to the fact that it is still passing around the sprocket 11, so that the book Bdrops readily upon this plate and is forced by its own weight past the lower curved edge of the spring plate 16a. As the plates move forward toa position intermedi- .v ate the sprocket wheels 11 and 12, the plates assume aposition substantially parallel with each other, and the plates 15 and 16 tend to approach each.I other. When, therefore, a book is placed between themitl is compressed and held compressed inthe position B2 until it is released at the discharging end of the machine.

The discharging mechanism, shown in Figs. 2iand 3, consists of a plunger 26 which reciprocates once for each four books carried by the plates and 16, and has fourlingers 27 which simultaneously move four books B3 ltothe dotted line position B4, where they fall upon and are caught by a tilted rack 28 of the packer D. A'plunger 29, reciprocating in timed relation to the plunger 26, then, forces the four books B4 forward to the posit-ion B5 where they are caught and held by a wire retaiiier linger 30. Y

'Asthe books B4 are thus pushed forward by the plunger 26 to the-position B5, the books already held under the iingerV 30 are pushed forward. rThe operator then removes the Y books from the far end of this pile of books which is not shown, or they may be disposedV of in any other manner. Y

It is necessary'that the plunger 26 be moved 'forward with the books B3 while these books are being forced from between the plates 15 and 16, thereby necessitating that the plunger 26 have a diagonal motion. This is accom-VV plished by providing a cam roller 31 which is j ournaled upon a pin 32 on the bottom side of the plunger 26.V This cam roller follows a cam groove 33, 34,35 ina 'plate 36 suitably mounted `upon standards 37. T he plunger 26V is moved forward vby means of a cam 38 on aV shaft 39 which isfdriven in timed relation to the shaft 14 of the pressing machine A and makes one revolution for each four books.

The cam 38'acts through a camr follower 40` to move a lever V41 which is fulcrumed at 42 fromythe full line position of Fig. 3 to the' dotted line position. In doing so, the cam roller 31 follows the diagonal groove 33 which is so formed that the plunger lingers 27 press j directly against the 4ends of thev books B3 but .plunger 26, is also returned to the full line starting position by means of a spring 43. A

cam roller 44 is mounted upon a pin 45 on the upper side of the plunger 2,6 and engages a straight cam groove 46 in a barv 47 which is provided with a centralapivot 48 Vslidably Y mounted in a transverse slot 49 in a transverse member "50 carried by the plate 36. The bar 47 vis normally held in the position shown at the right hand end against a stop 5l and the left hand end is held almost in contact with a stop 52 by means of springs 53 and 54.r

As the plunger 26 is .pushed forward from the full line position shown, the cam roller 44 rides up. along the groove 46, thereby tensioning'the spring 54 and ensuring Vthat the cam roller 31 will travel backa'long the cam groove y 34. As the left end of the camY groove 34 is approached, thefsping54 is placed in tension, thereby causing. the cam roller 31 to travel backalongsthe'cam groove 35. Theplunger 26 is extended beyond the paper'atitheleft i and guided to maintain substantial parallelism. '.k it will be seen that a simple and eilicient` means is provided for holding and` pressing the books as they emerge from the binder G, thereby ensuring that these books are firmly held so as to enable the glue to come more in-V timately into Contact with the leavesV of the book 'and alsolwith the'. cover. This pressing" also gives the book a more regular and compact form and even this short interval en- 'ioA ables the giusto cool and set somewhat so as to provide a stronger. and firmer book than l wouldV otherwise be obtained.

silhile I have sho/wn' and described but-a single embodiment of my inventionyit is to A be understood thatit is capable vof many niodifications. `Changes, therefore, in the'YK construction and arrangement may be madef which do not depart -from the spirit and scope of the invention as covered by theappended claims. Y

' I claim:

1. machine for pressing books-compris ving a Atraveling means having a series, of

forms for holding andpressing books as'theyI leave a.V book binder, and means for discharging said books endwisefrom-said forms.l .p p

2. A 'machine for pressing booksA comprising a traveling Ymeans having a series of parallel forms for holding and pressing'books V as they leave a bookbinder, and means forv dischargingsaid books endwise fromsaid forms. A 3. A machine for pressing books compris-V "iee ing atraveling means having asseries of par-.

allel forms for holding'and pressing books as -theyleave a bookibinder, and means .forV discharging said books from `said formsin groups while still pressed thereby. y

4. A macliine for pressing books compris: inga traveling means having a series offorms for yieldably holding and pressing books :as

lthey leave a book binder, 'and means for discharging said booksfrom said'forms.' Y .y V5. A machine for pressing books whichare gluedv along one edge comprising a traveling means haviiiga series of parallel plates carried thereby, and yielda-ble means extending substantially alongthe glued edge ofthe book f for pressing said book against each plate. u f

A machine forpressing bookscomprising a traveling means moving at substantially a uniform speed having al seriesof forms for holding and pressing books las they. leave 'a book binder, .and means for dischargingsaid books froinfsaid forms. Y

zo Y

' 7. A machine for pressing` books which.

glued along one edgev comprising two .parallel chains running over similar sprocket wheels on the .same shafts, parallel plates carried by links of said chains, flat spring members rivetedto the back of -one plate and cooperating ywith the nextadjacent `plate `toholdV CTI and press a book therebetween along the glued edge of a book, and means for discharging said books endwise from said plates.

8, A machine for pressing books compris` ing a traveling means having a series of forms for holding and pressing books as they leave a book binder, and means for discharging said books from said forms, said discharging means acting to discharge books while being pressed by the traveling means.

9. A machine for pressing books comprising two parallel chains running over similar sprocket wheels on the same shafts, parallel plates carried by links of said chains, yieldy able means carried by said chains cooperating with said plates for holding and pressing a book therebetween, and means for disl charging books in groups rfrom said pressing HARLEY C. ALGER. 

